Rotating Mechanism and Foldable Electronic Device

1. A rotating mechanism, comprising a fixed base, a flexible support member, a first rotating member, and a second rotating member, wherein the fixed base is provided with a first rotating groove and a second rotating groove, the first rotating groove and the second rotating groove are disposed opposite to each other, the flexible support member comprises a first side portion and a second side portion, the first side portion and the second side portion are respectively located on two opposite sides of the flexible support member, and the flexible support member is located on a surface of the fixed base; the first rotating member comprises a first swingarm, the first swingarm comprises a first rotating body and a first rotating portion, the first rotating body is fixedly connected to the first rotating portion, the first rotating portion is rotatably connected to the first side portion of the flexible support member, and the first rotating body is installed in the first rotating groove and capable of sliding along the first rotating groove; and the second rotating member comprises a second swingarm, the second swingarm comprises a second rotating body and a second rotating portion, the second rotating body is fixedly connected to the second rotating portion, the second rotating portion is rotatably connected to the second side portion of the flexible support member, the second rotating body is installed in the second rotating groove and capable of sliding along the second rotating groove; and rotation directions of the first rotating member and the second rotating member relative to the flexible support member are opposite.

2. The rotating mechanism according to claim 1, wherein the rotating mechanism has an unfolded state and a folded state, and when the rotating mechanism is in the folded state, the flexible support member is bent to form avoidance space.

3. The rotating mechanism according to claim 2, wherein the flexible support member comprises a bending portion, the bending portion is connected between the first side portion and the second side portion, and the bending portion is bendable.

4. The rotating mechanism according to claim 2, wherein the flexible support member comprises a rigid portion, a first bending portion, and a second bending portion, the first bending portion is connected between the rigid portion and the first side portion, the second bending portion is connected between the rigid portion and the second side portion, and both the first bending portion and the second bending portion are bendable.

5. The rotating mechanism according to claim 4, wherein the first bending portion comprises a first rigid section, a first flexible section, and a second flexible section, the first flexible section and the second flexible section are respectively connected to two opposite sides of the first rigid section, the first flexible section is connected to the first side portion, and the second flexible section is connected to the rigid portion; and the second bending portion comprises a second rigid section, a third flexible section, and a fourth flexible section, the third flexible section and the fourth flexible section are respectively connected to two opposite sides of the second rigid section, the third flexible section is connected to the rigid portion, and the fourth flexible section is connected to the second side portion.

6. The rotating mechanism according to claim 4, wherein the first bending portion comprises a first bending sub-portion and a second bending sub-portion, the first bending sub-portion and the second bending sub-portion are arranged at intervals side by side along a thickness direction of the flexible support member, two opposite ends of the first bending sub-portion are respectively connected to the rigid portion and the first side portion, and two opposite ends of the second bending sub-portion are respectively connected to the rigid portion and the first side portion; and the second bending portion comprises a third bending sub-portion and a fourth bending sub-portion, the third bending sub-portion and the fourth bending sub-portion are arranged at intervals side by side along the thickness direction of the flexible support member, two opposite ends of the third bending sub-portion are respectively connected to the rigid portion and the second side portion, and two opposite ends of the fourth bending sub-portion are respectively connected to the rigid portion and the second side portion.

7. The rotating mechanism according to claim 6, wherein the first bending sub-portion comprises a first rigid sub-section, a first flexible sub-section, and a second flexible sub-section, the first flexible sub-section and the second flexible sub-section are respectively connected to two opposite sides of the first rigid sub-section, the first flexible sub-section is connected to the first side portion, and the second flexible sub-section is connected to the rigid portion; the second bending sub-portion comprises a second rigid sub-section, a third flexible sub-section, and a fourth flexible sub-section, the third flexible sub-section and the fourth flexible sub-section are respectively connected to two opposite sides of the second rigid sub-section, the third flexible sub-section is connected to the first side portion, and the fourth flexible sub-section is connected to the rigid portion; the third bending sub-portion comprises a third rigid sub-section, a fifth flexible sub-section, and a sixth flexible sub-section, the fifth flexible sub-section and the sixth flexible sub-section are respectively connected to two opposite sides of the third rigid sub-section, the fifth flexible sub-section is connected to the rigid portion, and the sixth flexible sub-section is connected to the second side portion; and the fourth bending sub-portion comprises a fourth rigid sub-section, a seventh flexible sub-section, and an eighth flexible sub-section, the seventh flexible sub-section and the eighth flexible sub-section are respectively connected to two opposite sides of the fourth rigid sub-section, the seventh flexible sub-section is connected to the rigid portion, and the eighth flexible sub-section is connected to the second side portion.

8. The rotating mechanism according to claim 1, wherein the flexible support member is provided with a first through-hole and a second through-hole, the first through-hole and the first swingarm are disposed opposite to each other, and the second through-hole and the second swingarm are disposed opposite to each other; and when the rotating mechanism is in the unfolded state, the first through-hole is configured to accommodate an end part of the first swingarm, and the second through-hole is configured to accommodate an end part of the second swingarm.

9. The rotating mechanism according to claim 1, wherein one end of the first rotating body is provided with a first avoidance groove, and a groove opening direction of the first avoidance groove is in an extending direction of the first rotating body; and one end of the second rotating body is provided with a second avoidance groove, and a groove opening direction of the second avoidance groove is in an extending direction of the second rotating body.

10. The rotating mechanism according to claim 1, wherein when the first rotating body rotates relative to the fixed base along the first rotating groove and the second rotating body rotates relative to the fixed base along the second rotating groove, the first rotating portion and the second rotating portion drive the flexible support member to bend or unfold.

11. The rotating mechanism according to claim 1, wherein the first swingarm further comprises a first swing portion, and the first swing portion is fixedly connected to the first rotating body; and when the first swing portion rotates relative to the fixed base, the first rotating body slides along the first rotating groove, the first rotating portion rotates relative to the flexible support member, and the first rotating portion drives the flexible support member to bend or unfold; and the second swingarm further comprises a second swing portion, and the second swing portion is fixedly connected to the second rotating body; and when the second swing portion rotates relative to the fixed base, the second rotating body slides along the second rotating groove, the second rotating portion rotates relative to the flexible support member, and the second rotating portion drives the flexible support member to bend or unfold.

12. The rotating mechanism according to claim 11, wherein the first swingarm further comprises a first rotating shaft, the first rotating shaft is fixedly connected to one end, facing away from the first rotating body, of the first swing portion, the first rotating member further comprises a first fixing plate, and the first fixing plate is rotatably connected to the first rotating shaft; and the second swingarm further comprises a second rotating shaft, the second rotating shaft is fixedly connected to one end, facing away from the second rotating body, of the second swing portion, the second rotating member further comprises a second fixing plate, and the second fixing plate is rotatably connected to the second rotating shaft; when the first fixing plate and the second fixing plate rotate in a direction of approaching each other, the first swingarm and the second swingarm rotate relative to the fixed base in a direction of approaching each other, and the first rotating portion and the second rotating portion drive the flexible support member to bend, so that the rotating mechanism is in the folded state; and when the first fixing plate and the second fixing plate rotate in a direction of getting away from each other, the first swingarm and the second swingarm rotate relative to the fixed base in a direction of getting away from each other, and the first rotating portion and the second rotating portion drive the flexible support member to be flattened, so that the rotating mechanism is in the unfolded state.

13. The rotating mechanism according to claim 12, wherein the rotating mechanism further comprises a first door panel and a second door panel, the first door panel is fixedly connected to the first fixing plate, and the second door panel is fixedly connected to the second fixing plate; when the first door panel and the second door panel rotate in a direction of approaching each other, the first rotating member and the second rotating member rotate relative to the fixed base in a direction of approaching each other, and the first rotating portion and the second rotating portion drive the flexible support member to bend, so that the rotating mechanism is in the folded state; and when the first door panel and the second door panel rotate in a direction of getting away from each other, the first rotating member and the second rotating member rotate relative to the fixed base in a direction of getting away from each other, and the first rotating portion and the second rotating portion drive the flexible support member to be flattened, so that the rotating mechanism is in the unfolded state.

14. The rotating mechanism according to claim 1, wherein the fixed base is further provided with a first auxiliary rotating groove and a second auxiliary rotating groove, the first auxiliary rotating groove and the first rotating groove are arranged side by side, and an extending direction of the first auxiliary rotating groove is the same as an extending direction of the first rotating groove, the second auxiliary rotating groove and the second rotating groove are arranged side by side, and an extending direction of the second auxiliary rotating groove is the same as an extending direction of the second rotating groove; and the first swingarm further comprises a first auxiliary rotating body, the first auxiliary rotating body is fixedly connected to the first rotating body, an extending direction of the first auxiliary rotating body is same as an extending direction of the first rotating body, and the first auxiliary rotating body is installed in the first auxiliary rotating groove and is slidable along the first auxiliary rotating groove; and the second swingarm further comprises a second auxiliary rotating body, the second auxiliary rotating body is fixedly connected to the second rotating body, an extending direction of the second auxiliary rotating body is same as an extending direction of the second rotating body, and the second auxiliary rotating body is installed in the second auxiliary rotating groove and is slidable along the second auxiliary rotating groove.

15. A foldable electronic device, comprising a first casing, a second casing, a display, and the rotating mechanism according to claim 1, wherein the rotating mechanism is connected between the first casing and the second casing, the display is installed on the first casing, the second casing, and the rotating mechanism, and when the rotating mechanism rotates, the first casing and the second casing rotate relative to each other, to drive the display to bend or unfold.

16. The foldable electronic device according to claim 15, wherein the display comprises a first display part, a second display part, and a foldable part, the foldable part is connected between the first display part and the second display part, the first display part is installed on the first casing, the second display part is installed on the second casing, and the foldable part and the rotating mechanism are disposed opposite to each other.

17. The foldable electronic device according to claim 16, wherein when the foldable electronic device is in a folded state, the flexible support member is bent to form avoidance space, and the foldable part is at least partially located in the avoidance space.